AS3910 NFC/HF READER

High Performance HF Reader IC

The AS3910 is a high performance HF Reader IC ideal for challenging applications. Unique features include Antenna Auto Tuning, 700mW of output power.

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KEY FEATURES
  • Up to 700mW of output power
  • Antenna Auto Tuning
  • Automatic modulation depth adjustment
  • Transparent mode to implement custom protocol
KEY BENEFITS
  • No external Booster circuit required, less BOM
  • Automatically retunes the field to adjust for metal environment and increase read range
  • Interoperability with ISO14443B
  • Allows to implement proprietary protocols
AS3910 APPLICATIONS

The AS3910 is used for proximity applications where the antenna is directly driven. The IC is optimized for battery powered or portable applications.

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AS3910 PRODUCT FACTS

Protocols supported / Standard [ ]ISO 14443A/B ISO 15693 (transparent mode) NFCIP-1 (106 kbps)
Frequency [ MHz]13.56
Antenna management [ ]
Wakeup [ ]
Closed loop modulation depth adjustment
AECQ-100
Max. output power [mW]700
Datarate [kbps]up to 848
Supply voltage [V]2.4 - 3.6
Temperature range [°C]-40 to +125
PackageQFN-32 (5x5)
ISM Range [MHz]
TX Modulation
Sensitivity [dBm]
Output Power [dBm]
Link Frequencies Supported [kHz]
Coding [V]